United States is about 99 times bigger than South Korea.

South Korea is approximately 99,720 sq km, while United States is approximately 9,833,517 sq km, making United States 9,761% larger than South Korea. Meanwhile, the population of South Korea is ~51.8 million people (285.5 million more people live in United States).
This to-scale comparison of South Korea vs. United States uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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